What takes us through mountains and carries water and power under our feet? TUNNELS! Discover why and how they are built and learn about some of the world's tremendous tunnels in this book.… More →

In the sky, you might mistake one for an eagle or an osprey, but up close, it's exactly what you imagine from the name--turkey vultures are not pretty! In this entertaining book, Professor… More →

Walt Disney was known as a movie maker and theme park creator, but what about before that? What happened when Disney was younger? What did he do then that led to his being famous later on?… More →

How is water used to make energy? Why do we build dams for power? Water Power answers these questions and much more! More →

Why do belugas join pods to migrate? How do dolphins protect others in their pods? Why are pods important to some baby animals for survival? Discover the answers in this fascinating book and… More →

How is wind used to make energy? How does a wind farm work? Wind Power answers these questions and much more! More →

How can African wild dogs hunt animals ten times their size? What does the howl of a coyote mean? Why do some solitary hunters live in packs? Discover the answers in this engaging book and… More →

Get ready to explore Yosemite National Park! Find out what make this national park unique and what wildlife lives in its mountains. Discover some of the sights and activities that make… More →

Born at a time when the American Revolutionary War was raging, Zebulon Pike grew up to lead expeditions west to find the sources of the Mississippi, Arkansas, and Red Rivers. Find out how his More →